CompTIA ITF+ ITF Infrastructure 3

Question 1

Which port number is used by HTTPS by default?

Accepted Answer

443

Answer

HTTPS uses port 443 by default to provide encrypted web communication using TLS/SSL.

Question 2

What type of RAM is used in most modern desktop computers?

Accepted Answer

DDR4 SDRAM

Answer

DDR4 SDRAM is the standard RAM type used in most modern desktop computers, offering improved speed and efficiency over previous generations.

Question 3

Which device connects a home network to an ISP and manages traffic between the two?

Accepted Answer

Router

Answer

A router connects a local network to an external network (like the internet) and routes traffic between them using IP addresses.

Question 4

What does 'POST' stand for in the context of computer startup?

Accepted Answer

Power On Self Test

Answer

POST stands for Power On Self Test, a diagnostic process the BIOS runs to verify hardware components are functioning before booting.

Question 5

A workstation has two monitors but only one video output port. What device can add additional display outputs?

Accepted Answer

Discrete GPU (graphics card)

Answer

Installing a discrete GPU (graphics card) adds multiple video output ports, allowing the connection of additional monitors.

CompTIA Practice Test